Refrigeration system and elements thereof



Jan. 25, D. E RUTISHAUSER ETAL 3'23o,733

REFRIGERATION SYSTEM AND ELEMENTS THEREOF 2 Sheets-Sheet 1 0ri ina1Fi1ed A ri1 10' 1962 Jan. 25, D. E. RUTSHAUSER ETAL 3,230,733

REFRGERATON SYSTEM AND ELEMENTS THEREOF 2 SheetS-Sheet 2 0ri ina1 Fi1edA ri1 10 1962 3. A refrigerated Xture as dened in claiIn 1 Wherein saidunit is provided With a wall which separates the evaporat0r fTom thecondenser and compressor and forms a wan of said Tefri eration airpassage.

References Ced hy le Examiner UNITED STATES PATENTS 2 l2 42 8 1938cutterlin 62- 06 2,19,741 /1939 Kettering 62-4l9 2 l64,2z3 6/l939 Rodman62419 Z Z90 647 7/1942 LOWell 6z26 6 Tanner 6240 Schmidt 622 Anglin62Z8l Bishop 62--26 Stile 62zj6 Swanson 62--2 Salisbury 624l9 Haushalter62ZS6 Devery 62179 Pouchert 622

1. A REFRIGERATED FIXTURE HAVING A DISPLAY SPACE THEREIN, AIR DUCTS FORDIRECTING REFRIGERATED AIR THROUGH SAID FIXTURE TO REFRIGERATE SAIDDISPLAY SPACE, A CHAMBER IN SAID FIXTURE SEPARATED FROM THE DISPLAYSPACE BY AN INSULATED WALL HAVING AN OPENING THERETHROUGH, SAID AIRDUCTS HAVING THE ENDS THEREOF TERMINATING ADJACENT SAID OPENING IN THEINSULATED WALL OF THE CHAMBER AND COMMUNICATING WITH SAID CHAMBER, AUNIT EMBODYING A COMPRESSOR, A WATER-COOLED CONDENSER AND AN EVAPORATORMOUNTED ON A SUPPORT MOVABLE INTO AND OUT OF A PREDETERMINED POSITION INSAID CHAMBER, SAID UNIT INCLUDING A REFRIGERATION AIR PASSAGE HAVINGSAID EVAPORATOR LOCATED THEREIN, SAID REFRIGERATION AIR PASSAGE HAVINGOPPOSETE ENDS THEREOF REGISTERING WITH SAID OPENING IN THE INSULATEDWALL OF THE CHAMBER AND COMMUNICATING WITH THE ENDS OF THE DUCTS IN SAIDCHAMBER WHEN SAID UNIT IS IN SAID PREDETERMINED POSITION, MEANS FORCIRCULATING AIR THROUGH SAID DUCTS AND REFRIGERATION AIR PASSAGE, SAIDCONDENSER HAVING COOLING WATER INLET AND OUTLET PIPES, COOLING WATERSUPPLY LINES EXTENDING TO POINTS ADJACENT SAID FIXTURE AND PROVIDED WITHDETACHABLE CONNECTIONS REGISTERABLE WITH THE COOLING WATER INLET ANDOUTLET PIPES OF THE CONDENSER WHEN SAID UNIT IS IN SAID PREDETERMINEDPOSITION IN SAID CHAMBER, AND VALVE MEANS CONTROLLING THE FLOW OFCOOLING WATER FROM SAID COOLING WATER SUPPLY LINE TO SAID CONDENSER.